Open Source Projects using JavaScript
A curated collection of the 695 best open source software using JavaScript. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Secure authentication and access control made simple
Stars
36,964Last commit
4 hours agoLicense
Apache-2.0
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
Open Source Alternative to:
Your personal distributed filesystem
Stars
39,021Last commit
2 months agoLicense
AGPL-3.0
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
Open Source Alternative to:
AI-powered coding made simple and efficient
Stars
23,397Last commit
3 hours agoLicense
MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.
Open Source Alternative to:
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
27,402Last commit
3 hours agoLicense
MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Open Source Alternative to:
Zero-config VPN with WireGuard for secure networking
Stars
36,797Last commit
3 hours agoLicense
BSD-3-Clause
Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.
Open Source Alternative to:
Craft rich text experiences with ease
Stars
38,498Last commit
11 hours agoLicense
MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Build data-rich React apps with ease and flexibility
Stars
35,716Last commit
13 days agoLicense
MIT
A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.
Open Source Alternative to:
Powerful API development and testing made effortless
Stars
40,030Last commit
12 hours agoLicense
Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.
Open Source Alternative to:
Framework-agnostic authentication for TypeScript applications
Stars
30,067Last commit
3 hours agoLicense
MIT
A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.
Open Source Alternative to:
Secure cloud collaboration platform for organizations
Stars
36,892Last commit
3 hours agoLicense
AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
Open Source Alternative to:
Open-source data platform for effortless content management
Stars
37,954Last commit
6 hours agoLicense
Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.
Open Source Alternative to:
Open-source observability platform for cloud-native apps
Stars
32,173Last commit
4 hours agoLicense
MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Open Source Alternative to:
Fast, scalable vector database for AI applications
Stars
34,766Last commit
3 hours agoLicense
Apache-2.0
Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.
Open Source Alternative to:
Secure storage and access control for secrets and sensitive data
Stars
36,283Last commit
5 hours agoLicense
Unknown
Manages tokens, passwords, certificates, and encryption keys through a UI, CLI, or HTTP API, with dynamic credentials and encryption-as-a-service built in.
Open Source Alternative to:
End-to-end open source software delivery platform
Stars
38,425Last commit
2 days agoLicense
Apache-2.0
Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.
Open Source Alternative to:
Advanced vulnerability detection and management platform
Stars
31,464Last commit
4 hours agoLicense
MIT
Monitor infrastructure for exploitable vulnerabilities with real-time detection, automated workflows, and zero false positives.
Open Source Alternative to:
Organize terminal sessions with built-in layouts, tabs, and panes
Stars
35,516Last commit
8 hours agoLicense
MIT
A terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,890Last commit
3 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Save links, notes, and images. AI tags them for you.
Stars
29,241Last commit
1 day agoLicense
AGPL-3.0
Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.
Open Source Alternative to:
Track your net worth across accounts and assets
Stars
54,272Last commit
1 year agoLicense
AGPL-3.0
Personal finance tracker that consolidates accounts, investments, and assets into a single net worth dashboard with goal tracking and projections.
Open Source Alternative to:
Multi-model AI workspace with org-wide skill sharing
Stars
23,712Last commit
3 hours agoLicense
MIT
Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.
Open Source Alternative to:
Open-source vector database for AI search and retrieval
Stars
29,361Last commit
20 hours agoLicense
Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Open Source Alternative to:
Open source infrastructure as code tool
Stars
30,270Last commit
5 hours agoLicense
MPL-2.0
A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.
Open Source Alternative to:
Secure access management for modern IT infrastructure
Stars
31,591Last commit
13 hours agoLicense
GPL-3.0
Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.
Open Source Alternative to:
Organized team chat for distributed teams
Stars
25,941Last commit
10 hours agoLicense
Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
Open Source Alternative to:
Transform natural language into SQL queries with AI
Stars
28,185Last commit
13 hours agoLicense
Apache-2.0
AI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.
Open Source Alternative to:
Secure, private photo storage and sharing solution
Stars
29,041Last commit
4 hours agoLicense
AGPL-3.0
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Open Source Alternative to:
Local-first envelope budgeting with full data ownership
Stars
29,110Last commit
12 hours agoLicense
MIT
Privacy-focused personal finance app using envelope budgeting, multi-device sync, optional end-to-end encryption, and bank sync for US, EU, and UK users.
Open Source Alternative to:
Full-stack Python platform for web apps and internal tools
Stars
28,908Last commit
3 hours agoLicense
Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Open Source Alternative to:
Private, secure video calls with no account needed
Stars
29,971Last commit
3 hours agoLicense
Apache-2.0
Host encrypted video conferences directly in your browser, deploy on your own servers, or integrate into applications - all with this powerful open source platform.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
35,048Last commit
7 hours agoLicense
GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.
Open Source Alternative to:
Secure secret management for modern development teams
Stars
29,394Last commit
3 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
Visual React editor with real-time code updates
Stars
26,800Last commit
30 days agoLicense
Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.
Open Source Alternative to:
Decentralized social networking for the Web3 era
Stars
29,362Last commit
17 days agoLicense
GPL-3.0
A blockchain-powered social platform offering censorship-resistant content sharing, user-owned data, and innovative monetization options.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
24,698Last commit
3 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
Zero Trust networking with WireGuard-based secure connectivity
Stars
29,462Last commit
3 hours agoLicense
Unknown
Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.
Open Source Alternative to:
High-performance object storage designed for AI workloads
Stars
61,356Last commit
5 months agoLicense
AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open Source Alternative to:
Declarative workflow orchestration for data, AI, and infra
Stars
28,312Last commit
3 hours agoLicense
Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Open Source Alternative to:
Cost-effective log aggregation that indexes labels, not full text
Stars
28,938Last commit
4 hours agoLicense
AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.
Open Source Alternative to:
Affiliate marketing platform built for SaaS companies
Stars
24,806Last commit
4 hours agoLicense
AGPL-3.0
Run affiliate, influencer, and referral programs with flexible reward structures, real-time attribution, and automated global payouts.
Open Source Alternative to:
Branded short links with analytics and conversion tracking
Stars
24,806Last commit
4 hours agoLicense
AGPL-3.0
Link management platform for marketing teams with custom domains, UTM builder, A/B testing, geo-targeting, QR codes, and real-time conversion analytics.
Open Source Alternative to:
Private messaging with end-to-end encryption
Stars
29,380Last commit
5 days agoLicense
AGPL-3.0
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
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